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FIGURE 6-14. HYDRAULIC DIAGRAM LIST
FIGURE 6-14. HYDRAULIC DIAGRAM LIST
ITEM PART NUMBER QTY
DESCRIPTION
Ref NOTE: DIAGRAMS NOT SHOWN IS AVAILABLE FROM JLG
SERVICE/PARTS DEPARTMENTS.
Ref Axle Lockout Hydraulic Diagrams: Ref With Swivel: 2791400 Ref 2WD 6ft-6in Wide Machines (Prior to June 1997) 2791883 Ref 2WD 6ft-6in Wide Machines (June 1997 to Present) 2791475 Ref 2WD 5ft-9in Wide Machines 2791394 Ref 4WD 6ft-6in Wide Machines (Prior to June 1991) 2791400 Ref 4WD 6ft-6in Wide Machines (June 1991 to June 1997) 2791883 Ref 4WD 6ft-6in Wide Machines (June 1997 to Present) Ref Without Swivel: 2791384 Ref 2WD 6ft-6in Wide Machines 2791470 Ref 2WD 5ft-9in Wide Machines Ref Brake With Pressure Reducing Valve Hydraulic Diagrams: 2791547 Ref 2WD (Prior to January 1992) 2791547 Ref 4WD (September 1989 to August 1992) 4640522 Ref Valve, Pressure Reducing 4640523 Ref Cartridge 2900698 Ref Seal Kit Ref Drive Hydraulic Diagrams - Stepper Valves: Ref With Swivel: 2791363 Ref 2WD 6ft-6in Wide Machines (Kohler, Ford, Deutz and Electric Machines) 2791457 Ref 2WD 6ft-6in Wide Machines (Kubota Machines) 2791468 Ref 2WD 5ft-9in Wide Machines 2791970 Ref 2WD 5ft-9in Wide Machines 2791972 Ref 4WD 6ft-6in Wide Machines 1281915 Ref 4WD 6ft-6in Wide Machines Ref Drive Hydraulic Diagrams - Vickers Valves: Ref With Swivel: 2791391 Ref 2WD 6ft-6in Wide Machines (Kohler and Electric Machines) 2791485 Ref 2WD 6ft-6in Wide Machines (Ford and Deutz Machines Built Through 1992) 2791976 Ref 2WD 6ft-6in Wide Machines (Ford and Deutz Machines Built 1993 to Present) 2792057 Ref 2WD 5ft-9in Wide Machines (Electric Machines) 2791888 Ref 2WD 5ft-9in Wide Machines (Ford and Deutz Machines Built Through 1992) 2791975 Ref 2WD 5ft-9in Wide Machines (Ford and Deutz Machines Built 1993 to Present) 2791375 Ref 4WD 6ft-6in Wide Machines (Built Through 1992) 1280923 Ref 4WD 6ft-6in Wide Machines (Built Through 1992) 2791971 Ref 4WD 6ft-6in Wide Machines with 8.75in & 9.5in Tires (Built 1993 to Present) 1281915 Ref 4WD 6ft-6in Wide Machines with 8.75in & 9.5in Tires (Built 1993 to Present) 2792173 Ref 4WD 6ft-6in Wide Machines with 12.5in Tires (Built 1993 to Present) 1281915 Ref 4WD 6ft-6in Wide Machines with 12.5in Tires (Built 1993 to Present) Ref Drive Hydraulic Diagrams - Vickers Valves:
REV
ITEM PART NUMBER QTY DESCRIPTION
Ref Without Swivel: 2791392 Ref 2WD 6ft-6in Wide Machines (Kohler and Electric Machines) 2791486 Ref 2WD 6ft-6in Wide Machines (Ford and Deutz Machines) 2791378 Ref 4WD 6ft-6in Wide Machines (Ford and Deutz Machines) 1280924 Ref 4WD 6ft-6in Wide Machines (Ford and Deutz Machines) Ref Lift and Level (Tower Boom) Hydraulic Diagrams: 2791367 Ref Stepper Valves and Electric Boom Limit Switches (Prior to April 1988) 2791417 Ref Stepper Valves and Electric Boom Limit Switches (April 1988 to May 1988) 2791407 Ref Stepper Valves and Hydraulic Boom Limit Switches (May 1988 to Present) 2791387 Ref Vickers Valves and Hydraulic Boom Limit Switches (Kohler and Electric Machines) 2791487 Ref Vickers Valves and Hydraulic Boom Limit Switches (Ford and Deutz Machines) Ref Lift and Slave (Main Boom) Hydraulic Diagrams: 2791364 Ref Stepper Valves (Prior to October 1992) 2792010 Ref Stepper Valves and TUV Cylinders (October 1992 to Present) 2791390 Ref Vickers Valves (Kohler and Electric Machines Built Prior to October 1992) 2792011 Ref Vickers Valves and TUV Cylinders (Kohler and Electric Machines Built October 1992 to Present) 2791488 Ref Vickers Valves (Ford and Deutz Machines Built Prior to October 1992) 2792009 Ref Vickers Valves and TUV Cylinders (Ford and Deutz Machines Built October 1992 to Present) Ref Lift-Up Relief Hydraulic Diagrams:
2791658
Ford Powered Machines (Ford Spec Only) 2791543 Kohler Powered Machines (Ford Spec Only) Ref Manual Descent Hydraulic Diagrams: 2791846 Ref Domestic Option 0251953 Ref Japanese Standard 0251664 Ref Oil Cooler Hydraulic Diagram 2791597 Ref Power Tool Hydraulic Diagram Ref Pump Hydraulic Diagrams - Stepper Valves: 2791365 Ref Kohler Machines 2791455 Ref Kubota Machines 2791366 Ref Electric Machines Ref Pump Hydraulic Diagrams - Vickers Valves: 2791484 Ref Ford and Kubota Machines (Prior to March 1990) 2791674 Ref Ford and Deutz Machines (March 1990 Through 1992) 2791977 Ref Ford and Deutz Machines (1993 to Present) 2791386 Ref Kohler Machines 2791607 Ref Electric Machines 2792079 Ref Electric U/L Machines 2791361 Ref Rotate Hydraulic Diagram 2791701 Ref Sequence Line Hydraulic Diagram (Ford Machines) 1281353 Ref Sequence Line Hydraulic Diagram (Ford Machines) Ref Steer Hydraulic Diagrams: Ref With Swivel: 2791383 Ref 2WD 6ft-6in Wide Machines with Fixed Axle 128026 Ref 2WD 6ft-6in Wide Machines with Fixed Axle
REV
ITEM PART NUMBER QTY
DESCRIPTION
2791382 Ref 2WD 6ft-6in Wide Machines with Oscillating Axle 128026 Ref 2WD 6ft-6in Wide Machines with Oscillating Axle 2791473 Ref 2WD 5ft-9in Wide Machines with Fixed Axle 128026 Ref 2WD 5ft-9in Wide Machines with Fixed Axle 2791474 Ref 2WD 5ft-9in Wide Machines with Oscillating Axle 128026 Ref 2WD 5ft-9in Wide Machines with Oscillating Axle 2791397 Ref 4WD 6ft-6in Wide Machines with 8.75in & 9.5in Tires 2792172 Ref 4WD 6ft-6in Wide Machines with 12in Tires Ref Without Swivel: 2791381 Ref 2WD 6ft-6in Wide Machines with Fixed Axle 128025 Ref 2WD 6ft-6in Wide Machines with Fixed Axle 2791380 Ref 2WD 6ft-6in Wide Machines with Oscillating Axle 128025 Ref 2WD 6ft-6in Wide Machines with Oscillating Axle 2791471 Ref 2WD 5ft-9in Wide Machines with Fixed Axle 128025 Ref 2WD 5ft-9in Wide Machines with Fixed Axle 2791472 Ref 2WD 5ft-9in Wide Machines with Oscillating Axle 128025 Ref 2WD 5ft-9in Wide Machines with Oscillating Axle 2791396 Ref 4WD 6ft-6in Wide Machines Ref Swing Hydraulic Diagrams: Ref With Stepper Valves 2791368 Ref Ford, Kohler and Kubota Machines 2791398 Ref Electric Machines Built Through 1992 2791966 Ref Electric Machines Built (1993 to Present) Ref With Vickers Valves 2791389 Ref Kohler and Electric Machines Built Through 1992 2791965 Ref Electric Machines Built (1993 to Present) 2791491 Ref Ford and Deutz Machines Built Through 1992 2791964 Ref Ford and Deutz Machines Built (1993 to Present) 2791370 Ref Telescope (Main Boom) Hydraulic Diagram Ref Telescope (Tower Boom) Hydraulic Diagrams: Ref With Stepper Valves: 2791418 Ref Machines with Electric Boom Limit Switches (Prior to May 1988) 2791408 Rev A Ref Machines with Hydraulic Boom Limit Switches and Dana Cylinder (May 1988 to July 1988)
2791408 Rev B & C
Ref Machines with Hydraulic Boom Limit Switches and Commercial Cylinder (July 1988 to Present) Ref Telescope (Tower Boom) Hydraulic Diagrams: Ref With Vickers Valves: 2791419 Ref Kohler and Electric Machines 2792078 Ref Electric U/L Machines 2791489 Ref Ford and Deutz Machines 2791388 Ref Special for SNs 11407, 11416 & 11418 Ref Tow Hydraulic Diagrams: 2791789 Ref 2WD 6ft-6in Wide Machines without Stop Blocks 2791788 Ref 2WD 5ft-9in Wide Machines without Stops Blocks 2791295 Ref 2WD 6ft-6in Wide Machines with Stop Blocks 2791764 Ref 4WD 6ft-6in Wide Machines
